2003 Chevrolet Impala Electrical Parts

Essential 2003 Chevrolet Impala Electrical Parts

GM Genuine Parts – Black Multi-Purpose Relay (Part No.13502674)

Black Multi-Purpose Relay

from

$19.99
GM Genuine Parts Wiring Relays are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These relays help connect or disconnect power to a vehicle accessory when it receives a low voltage signal from a switch. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Helps connect or disconnect power to vehicle accessories
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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GM Genuine Parts – Brake Light Switch (Part No.D850A)

Brake Light Switch

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$17.99
GM Genuine Parts Multi-Purpose Switches are designed, engineered, and tested to rigorous standards, and are backed by General Motors. It may be a simple or complex switch that controls various functions such as the exterior lighting on your vehicle, power mirrors, and power seats. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Works with vehicle electronics to help optimize vehicle capabilities
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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Carquest – Back Up Light Connector (Part No.PT343)

Back Up Light Connector

from

$26.05
BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:
  • Our distributor caps are made of high dielectric strength, glass/mineral reinforced polyester resin for less carbon tracking, greater resistance to electrical breakdown, and superior performance
  • Solid brass terminals (where available) make better connections and greater resistance to electrical pitting and corrosion
  • RFI resistors where specified to eliminate radio static and potential ECU-damaging spikes
  • With industry leading expertise, when original equipment fails our products are designed to fix the inherent failure issues
  • BWD is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product
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Carquest Premium – Engine Oil Pressure Sensor (Part No.SAC5108)

Engine Oil Pressure Sensor

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$11.99
Carquest Premium oil pressure sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium oil pressure sensors and switches are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium oil pressure sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium oil pressure sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered, and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
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Carquest – Air Charge Temperature Sensor Connector (Part No.PT191)

Air Charge Temperature Sensor Connector

from

$11.49
BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:
  • Our control modules feature double wire bonds for better connections, greater dependability and longer life despite being subjected to intense vibration and the tough operating environment
  • Copper slug heat sinks provide better heat dissipation to prevent heat from damaging the module
  • Our ignition modules will respond to a weak signal from the crankshaft position sensor and begin energizing the coils immediately for better starts in cold weather
  • High-temperature polymer housing reducing moisture intrusion and minimizes vibration damage for extended life and improved reliability
  • Our ignition modules are durability tested for 500 thermal cycles ranging from -40C to +125C
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Carquest Premium – Connector (Part No.PTA2867)

Connector

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$15.79
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Carquest Premium – Body Wiring Harness Connector (Part No.PTA1704)

Body Wiring Harness Connector

from

$48.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Dorman – Electrical Harness – 2-Wire Coolant Temperature Sensor (Part No.85100)

Electrical Harness - 2-Wire Coolant Temperature Sensor

from

$5.99
This engine coolant temperature sensor connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this engine coolant temperature sensor connector matches the appearance and function of the factory hardware on specified applications
  • Ideal solution – this connector is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Carquest Premium – Body Wiring Harness Connector (Part No.PTA2051)

Body Wiring Harness Connector

from

$38.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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ACDelco – Multi-Purpose Wire Connector with Leads (Part No.PT2319)

Multi-Purpose Wire Connector with Leads

from

$53.99
ACDelco Professional Throttle Position Sensor Connector is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, starting and charging, body-electrical and lighting, and/or engine fuel management. This premium aftermarket connector is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
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Carquest Premium – Cigarette Lighter Socket Connector (Part No.PTA1179)

Cigarette Lighter Socket Connector

from

$2.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Dorman – Fuel Tank Sending Unit Connector (Part No.645-175)

Fuel Tank Sending Unit Connector

from

$40.99
Make better electrical repairs and accessory installations with this versatile and durable pigtail connector. It allows quick circuit disconnections for service, and is engineered for reliable performance.

Product Features:
  • Professional appearance – this electrical pigtail is designed for a clean, professional look when installed
  • Convenient solution – this pigtail connector allows the circuit to be quickly disconnected for service or occasional use
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Carquest – A/C Auto Temperature Control Relay (Part No.R3110)

A/C Auto Temperature Control Relay

from

$20.99
BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:
  • Our units are all pre-aligned & pre-adjusted to save installation time and ensure proper switching.
  • A lubricated felt pad that lubricates the cam lobes on the vehicles distributor. This reduces wear on the point set rubbing block, extending the usable life of the part.
  • Ventilated where available, tungsten contacts, which run cooler and exhibit less erosion.
  • The copper-alloy shunt provides superior resistance to breakage, due to the flexing of the moving arm on the point set. It also significantly increases current conductivity over typical steel, shunts.
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Carquest Premium – Communication Interface Module Connector (Part No.PTA2465)

Communication Interface Module Connector

from

$99.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Carquest Premium – Air Bag Impact Sensor (Part No.CTA1194)

Air Bag Impact Sensor

from

$625.99
Air Bag Impact Sensor

Dorman – Push-Pull Rivet-Rocker Panel – 9 mm Hole, 22 mm Stem, 15 mm Head (Part No.963-093D)

Push-Pull Rivet-Rocker Panel - 9 mm Hole, 22 mm Stem, 15 mm Head

from

$4.49
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
  • Quality material – this retainer is made of durable material for long-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
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Dorman – Coolant Level Sensor Pigtail (Part No.645-786)

Coolant Level Sensor Pigtail

from

$19.49
This engine coolant level sensor connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this engine coolant level sensor connector matches the appearance and function of the factory hardware on specified applications
  • Ideal solution – this connector is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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ACDelco – Black Multi-Purpose Pigtail (Part No.PT2046)

Black Multi-Purpose Pigtail

from

$52.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Carquest Premium – Oil Pressure Switch Connector (Part No.PTA1259)

Oil Pressure Switch Connector

from

$23.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Carquest Premium – 4WD Control Switch Connector (Part No.PTA2329)

4WD Control Switch Connector

from

$34.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Dorman – Window Regulator & Motor Assembly: Power, 1 Pack (Part No.741-622)

Window Regulator & Motor Assembly: Power, 1 Pack

from

$105.99
This replacement power window motor and regulator assembly is precision-engineered and extensively tested to match the exact fit, function and performance of the stock window regulator on specific vehicle years, makes and models.

Product Features:
  • Trustworthy replacement – engineered and tested to match the fit, function and performance of the original window regulator on specified vehicles
  • Quality assured – extensively tested by cycling thousands of times in an actual vehicle door to ensure a long, trouble-free service life
  • Easy installation – reverse-engineered to match the original equipment shape and dimensions to provide a direct, seamless fit
  • Reliable design – engineered in North America and backed by long history of automotive aftermarket experience
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Carquest Premium – Inline Connector (Part No.PTA1424)

Inline Connector

from

$20.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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ACDelco – 2-Way Female Black Multi-Purpose Pigtail (Part No.PT189)

2-Way Female Black Multi-Purpose Pigtail

from

$32.49
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Dorman – Help – Plug Retainer (Part No.57020)

Plug Retainer

from

$4.99
This 12 volt accessory power outlet cover is designed to match the fit, appearance and function of the original cover on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this 12 volt accessory power outlet cover is designed to match the fit, appearance and function of the original cover on specified vehicles
  • Restores functionality – this cover is made to fully restore appearance and functionality after the original part fails
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Carquest Premium – Barometric Pressure Sensor Connector (Part No.PTA1166)

Barometric Pressure Sensor Connector

from

$17.79
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Carquest Premium – Inline Connector (Part No.PTA1847)

Inline Connector

from

$27.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

ACDelco – Multi-Purpose Wire Connector with Leads (Part No.PT2386)

Multi-Purpose Wire Connector with Leads

from

$33.99
ACDelco Professional Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are a high quality replacement for many vehicles on the road today. These premium aftermarket replacement components are manufactured to meet your expectations for fit, form, and function.

Product Features:
  • Protective outer coverings provide long-lasting durability
  • Color-coded wires allow for easy installation
  • Manufactured to meet expectations for fit, form, and function
See More

Carquest Premium – Air Bag Side Impact Sensor Module Connector (Part No.PTA3133)

Air Bag Side Impact Sensor Module Connector

from

$51.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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2003 Chevrolet Impala Electrical Parts

You count on your 2003 Chevrolet Impala to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Electrical Parts. With 62 Electrical Parts ranging in price from $4.29 to $673.99, you’re sure to find everything you need for your 2003 Chevrolet Impala.

Brands matter. If you want to shop a specific Electrical Parts brand, we stock 9 different brands like Carquest, Dorman, and Carquest Premium. 2003 Chevrolet Impala Electrical Parts start as low as $4.29!

One of the best ways to find top quality OEM or aftermarket Electrical Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 328 extensive product reviews on 2003 Chevrolet Impala Electrical Parts. Some of the top-rated Electrical Parts products we carry are Hazard Warning Light Switch with 4.6 stars and Window Regulator & Motor Assembly: Power, 1 Pack with 4.7 stars.

Did we mention you can order your Electrical Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Electrical Parts inventory for your 2003 Chevrolet Impala below to get started!

Top-Rated Electrical Parts Brands For Your 2003 Chevrolet Impala

Trusted Electrical Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 Chevrolet Impala running right for years to come. In our inventory you’ll find brands like Carquest, Dorman, Carquest Premium, and even more.

Popular Carquest Premium Electrical Parts

You’ll find popular Carquest Premium brand products across Engine Wiring Harnesses. All are waiting to get your 2003 Chevrolet Impala back on the road. Some of the top-rated Carquest Premium products in these categories are:
Fuel Pump Wiring Harness
from $14.99
(1)
Fuel Pump Wiring Harness
Fuel Pump Wiring Harness

FAQs for 2003 Chevrolet Impala Electrical Parts

What are the most purchased Electrical Parts for the 2003 Chevrolet Impala?

Out of 62 Electrical Parts for the 2003 Chevrolet Impala, the most popular in our inventory are:
A/C Auto Temperature Control Relay
from $18.99
(1)
A/C Auto Temperature Control Relay
Anti-Theft Relays
Window Regulator & Motor Assembly: Power, 1 Pack
from $79.99
(15)
Window Regulator & Motor Assembly: Power, 1 Pack
Window Lift Motors
Oil Pressure Gauge Switch
from $22.79
(1)
Oil Pressure Gauge Switch
Oil Pressure Switch and Senders

What are the top-rated 2003 Chevrolet Impala Electrical Parts?

Top-rated Electrical Parts for your 2003 Chevrolet Impala based on customer reviews/ratings are:
Hazard Warning Light Switch
from $82.99
(9)
Hazard Warning Light Switch
“Part was a little hard to obtain…meaning the correct part but after an online chat with a sales rep got he correct part used the on line discount ”
Window Regulator & Motor Assembly: Power, 1 Pack
from $105.99
(3)
Window Regulator & Motor Assembly: Power, 1 Pack
“Easy installation”
Window Regulator & Motor Assembly: Power, 1 Pack
from $98.99
(3)
Window Regulator & Motor Assembly: Power, 1 Pack
“Good product part. Easy install on 2001 Impala. Plenty of Y O U tube videos on how to replace.”